Finding the Fourth Proportional to 2,521.85, 3,783.59 and 766.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521.85 : 3,783.59 = 766.92 : x
2. Step 2: Convert to fraction form
   2,521.85/3,783.59 = 766.92/x
3. Step 3: Cross multiply
   2,521.85x = 3,783.59 × 766.92
4. Step 4: Simplify right side
   2,521.85x = 2,901,712.76
5. Step 5: Solve for x
   x = 2,901,712.76/2,521.85
6. Step 6: Final answer
   x = 1,150.63